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2003 GSW

Authors

Kuldeep S. Rawat; Gholam H. Massiha

Designing Telemetric Data Acquisition System For Clinical Studies Kuldeep S. Rawat, and Gholam H. Massiha Department of Industrial Technology University of Louisiana at Lafayette AbstractThis paper presents a systematic approach to design a PC-based telemetric data acquisitionsystem for clinical studies. This involves understanding signal characteristics, signal pick-updevices, mechanism to transfer signal telemetrically, and other data acquisition hardwarecomponents. Most of the clinical studies involve capturing and processing biological signals likecough, sneeze, snore, and pain. A PC

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2003 GSW

Authors

Kuldeep S. Rawat; Sumit R. Pal

Application of Signal Processing Tools in the Interpretation of Geophysical Seismic Data Kuldeep S. Rawat Center for Advanced Computer Studies University of Louisiana at Lafayette Sumit R. Pal Superior Energy Services LLC, Broussard, LA Energy Institute, University of Louisiana at Lafayette, LA AbstractExpensive to acquire and almost impossible to re-acquire, seismic reflection andrefraction data sets are no doubt the most important assets of any hydrocarbonexploration and prospecting program. During exploration, seismic

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2003 GSW

Authors

Alfred J. Jayachandran; Edward S. Kolesar

Design and Operation of a MEMS Microengine Fabricated from Asymmetrical Polysilicon Surface Micromachined Electrothermal Microactuators Alfred J. Jayachandran and Edward S. Kolesar* Department of Engineering Texas Christian University Tucker Technology Center TCU Box 298640 2840 Bowie Street, Fort Worth, TX 76129 USA e-mail: e.kolesar@tcu.edu*Faculty Research Mentor AbstractSeveral electrically-driven microactuators have been

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2003 GSW

Authors

William E. Odom; Edward S. Kolesar

Characterization of Symmetrical and Asymmetrical Polysilicon Surface Micromachined Electrothermal Actuators William E. Odom and Edward S. Kolesar* Department of Engineering Texas Christian University Tucker Technology Center TCU Box 298640 2840 Bowie Street, Fort Worth, TX 76129 USA PH: 817-257-6226 FAX: 817-257-7704 e-mail: e.kolesar@tcu.edu*Faculty Research Mentor AbstractSeveral electrically-driven microactuators have been

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2003 GSW

Authors

Kuldeep S. Rawat; Gholam H. Massiha

Model Driven Robot Simulation: RoboCell Kuldeep S. Rawat, and Gholam H. Massiha Department of Industrial Technology University of Louisiana at Lafayette AbstractRobotics courses are offered in the College of Engineering at University of Louisiana atLafayette. Subjects such as robot applications, end of arm tooling, safety, and analysis of robotspecifications are covered in these courses. These robotics fields have benefited considerably inthe last three decades from the advancement of computer science, as advanced software toolswere developed to study the working of robots. As robots have

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2003 GSW

Authors

Edward S. Kolesar; Matthew D. Ruff

Three-Dimensional Microelectromechanical Systems (MEMS) Structures Assembled from Polysilicon Surface Micromachined Elements Containing Continuous Hinges and Microrivets Matthew D. Ruff and Edward S. Kolesar* Department of Engineering Texas Christian University Tucker Technology Center TCU Box 298640 2840 Bowie Street, Fort Worth, TX 76129 USA PH: 817-257-6226 FAX: 817-257-7704 e-mail: e.kolesar@tcu.edu*Faculty Research Mentor

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2003 GSW

Authors

P. S. Shiakolas; R. VanSchneck; D. Piyabongkarn; I. Frangeskou

An Educational Environment for Reinforcement of Dynamic System Modeling and Controls Concepts Utilizing MATLAB, xPC-Target and a Hardware in the Loop Magnetic Levitation Device P. S. Shiakolas, R. Van Schneck, D. Piyabongkarn and I. Frangeskou Mechanical and Aerospace Engineering Department University of Texas at Arlington Arlington, TX 76019 AbstractEngineering education and especially hands on experience has been the focus of manystudies. The experience and benefits associated with hands on experience using real hardwarecomponents as compared to virtual analysis using computer simulation

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2003 GSW

Authors

H. Dwayne Jerro; Chun-Ling Huang; Patrick Mensah

when the substance was at thequasi-equilibrium state.In academia, once a written description of a problem is given or created, the solving of theproblem can be viewed in two stages. Stage I: Formulation of a procedure for solving the problem, wherein the determination of the governing equations and constraints are considered a part of this step. Stage II: Performance or execution of the required mathematical steps to solve the governing equation(s) using the specified constraints for the desired unknown.It is from this problem solving perspective that the forthcoming concept map has beencreated. Furthermore, the goal or rather “slant” of the presented map is to assist thestudent

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2003 GSW

Authors

Chun-Ling Huang

performance. Students declaring relatively strong self-efficacy, generally achieved higher academic grades, and were much more likelypersisting in engineering majors than those with low self-efficacy [11].Following up on their early research with an investigation comparing self-efficacy theoryto alternative theoretical paradigms. Lent et al., reported evidence suggesting that self-efficacy is helpful in the prediction of the grades and persistence of engineering majors.Brown, Lent, and Larkin documented the interactions between aptitude and self-efficacy.Brown et al.’s results suggest that strong self-efficacy expectations especially importantto the success of moderate ability students as compared to high-ability students, and arealso predictive of

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2003 GSW

Authors

Mostafa Ghandehari; Samee Ullah Khan

L , L = {a c | c = composite} would also be a non-regular.Well how about an example of concatenation? The answer is yes, and we can proof it by usingthe Goldbach’s conjecture. But since the Goldbach’s conjecture3 has not been proven forsufficiently large numbers, we can use a related result to the Goldbach’ s conjecture by Chen4,5.The result says: Every "large" even number may be written as 2n = p + m where p is a primeand m is the product of two primes. So if we have two non-regular languages L1 and L2 such Proceedings of the 2003 ASEE Gulf-Southwest Annual Conference The University of Texas at Arlington Copyright  2003, American Society for Engineering

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2003 GSW

Authors

Amir Karimi

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2003 GSW

Authors

Melanie Hagewood; Ken Van Treuren

combinedspectrum. The power spectrum increases in accuracy as the number of data points per FFT Proceedings of the 2003 ASEE Gulf Southwestern Annual Conference The University of Texas at Arlington Copyright©2003, American Society for Engineering EducationFigure 1. Example of a Power Spectral Distribution Plotincreases. The software used to process the data, provided with the TSI IFA 300 Anemometer,had a maximum block size of 256K.The PSD was also used to determine the correct choice of a low-pass filter. From looking at theplot, choosing a filter between 10 kHz and 50 kHz would satisfactorily capture the requiredsignal information for a velocity of 15 m/s. The software program

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2003 GSW

Authors

Jerry K. Keska; Heechan Shin

: Experimental System for Web Driven Experimentation on Two Phase FlowSystem Specifications A. System Hardware 1) DAQ Board: PCI-1200 manufactured by National Instruments. Analog Inputs: eight single-ended, eight pseudo differential or four differential, software selectable channels, and resolution is 12 bits, 1 in 4,096. The maximum sampling rate is 100 kS/s. Analog Outputs: Two voltage output channels with 12 bits resolution, and update rate is 20 S/s – 1kS/s (System dependent) Digital Input and Outputs: TTL Compatible 24 I/Os with three 8-bit ports). 2) Pressure Sensor: In-house develop based on Sensym pressure sensors. The sensor has the ability

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2003 GSW

Authors

Ali Abolmaali

visual and animation tools. These tools will be accessed through The University ofTexas at Arlington (UTA)’s Web site for use in classrooms globally. The three major steps inachieving this research goal were: (1) accepting data from the user; (2) running a pre-definedexecutable on the input data, which produces “Web-friendly” output file(s); and (3) redirectingthe browser to the output file. This study was successfully completed by using ActiveX controlsthat accept data from the user, transfer and run the FORTRAN executable files, redirect thebrowser to the result files and perform checks before displaying resulting diagrams or tables. Theuniqueness of these tools is that the executables are transferred to the client machine and run onit

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2003 GSW

Authors

Shantanu Bhattacharya; Jordan M. Berg; Darryl James

undergraduates. Even a professor in the department who was shown the designs predicted thatthe flows would mix. This shows the need for dedicated training in microflows for those studentsplanning to pursue research in the area. The results of this project successfully demonstrated thelimitations of the current training, but revisions are required to replace that flawed intuition withsomething better. These revisions will be applied in the next iteration of this project. Weconclude with the remark that an excellent textbook is now available dedicated solely to design,fabrication and test of microfluidics [2]. This is the text we are now using for the later courses inour sequence. References1. W. S. Trimmer

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2003 GSW

Authors

Akanni Lawal; James M. Gregory; Lloyd Heinze

has an early history associated with a need for the course and the development of thecontent to teach the science and skills of technical communication. The course also has a recenthistory and a recent rapid growth in the number of students taking the course. We will reviewboth.Early HistoryThe concept for the course began in the late 1980’s. At that time, the College of Engineering hada writing center to help students and professors in engineering to improve writing skills and tointegrate intensive writing into classes. Jean Ann Cantore, Director of the EngineeringCommunications Center, and James Gregory, Professor in Agricultural Engineering, developedthe initial course for improving professional communications. They experimented with

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2003 GSW

Authors

Jerry K. Keska

Flow Pattern 4 Flow Pattern 8 0.92 1 0.4 Vsa=0.12 m/s Vsa=0.29 m/s Vsa=2.45 m/s 0.9 mean Cv=0.881 0.8 mean Cv=0.56 0.3 mean Cv=0.18 Cv, [-] 0.88 0.6 0.2 0.86 0.4 0.1 0.84

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2003 GSW

Authors

W. Conway Link; Carlos G. Spaht; Rogers Martin

inwhich the student is enrolled, number of hours each day the student is employed, number ofsemesters since the most recent pre-requisite course was completed, the number of hours thestudent spends in preparation, the number of mathematics courses completed, and a myriad offamily related issues. In 1999 LSU-S adopted the Blackboard system, a comprehensive andflexible e-Learning software platform from Blackboard, Inc. which provides the instructor withthe ability to manage announcements, course information, staff information, course documents,grades, communication (e-mail and chat rooms) and external links. Proceedings of the 2003 ASEE Gulf-Southwest Annual Conference The University of Texas at

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2003 GSW

Authors

Jiecai Luo; Pradeep K. Bhattacharya

Analysis and Design, second edition, McGraw-Hill Higher Education 2001.3. M. Roden, G. Carpenter and W. Wieserman, Electronic Design from Concept to Reality. Fourth edition, Discovery Press, 2002.4. Rashid, Microelectronic Circuits analysis and design, PWS Publishing Company, 1999.JIECAI LUOJiecai Luo earned B. S. and M. S. in Electrical Engineering from Tongji University at Shanghai and HUST atWuhan in China respectively, and PhD from University of Minnesota. He currently serves as an Assistant Professorof Electrical Engineering at Southern University, Baton Rouge. His research interests include control systems,optimal control and material science. He is a member of IEEE.PRADEEP K. BHATTACHARYAPradeep Bhattacharya earned PhD in

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2003 GSW

Authors

Geoffrey Orsak; Betsy Willis

Creating Digital Music Making Digital Images Math You Can See Digitizing the World Improving Bits Communicating with 1’s and 0’s From the Telegraph to the Internet Engineering the FutureThe Infinity Technology KitThe Infinity Technology Kit was developed in conjunction with Texas Instruments andHyperception. The Technology Kit makes ordinary PCs state-of-the-art engineeringworkstations. The minimum requirements are a 486/66 MHz PC compatible or greater andWindows 95 or greater with a sound card. Installation is

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2003 GSW

Authors

James M. Gregory; Xuepeng Xie; Susan Mengel

developed and added to the sleep model including alcoholand caffeine functions to predict concentrations in the blood as a function ofconsumption, bodyweight, and time to metabolize the chemicals (alcohol and/orcaffeine). The REM fraction equation in GREG was redeveloped to adjust REM fractionas a function of REM latency, which varies as a function of amount and type ofchemical(s) in the body at bedtime. A function to predict the average time needed to fallasleep was also added as a third dependent variable. While there are several internaldependent variables that are then used to predict something else, the general sleep modelhas four dependent variables: active or stimulated efficiency, passive or un-stimulatedefficiency, time to fall asleep, and

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2003 GSW

Authors

Richard Bannerot; Ross Kastor

created a new course number ECE4334 and joined the existing INDE/MECE 4334 capstone design course, required of allstudents in the Departments and Industrial Engineering and Mechanical Engineering.This paper describes the changes that have occurred in the new combined courseECE/INDE/MECE 4334, the interdisciplinary capstone course for three departments andprovides a description of projects from spring, 2002. IntroductionThe capstone design course in the Department of Mechanical Engineering (ME) at theUniversity of Houston has proven to be one of the Department’s most successful courses.In one form or other it has been around since the early 1960’s. It has existed (untilrecently), more or less, in its present

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2003 GSW

Authors

Chu–Chen Chen; Chun Ling Huang

, H.M., El-Khatib, A.M., and Joshi, G.A,. “Vibration Diagnostic Analysis and HVAC Application”, The Third International Symposium on HVAC, Shenzhen, China, Volume 2, pp. 850- 856, November 1999. 6. Behnken, J., “Building Automation for Multi-site facilities.” ASHRAE 43(6), June 2001. 7. Kohl, R., “Commissioning HVAC Control Systems”, ASHRAE Journal, 43 (12), pp. 27-50, December 2001. 8. Mathandhu, S. S., “Energy Conservation Showcase” ASHRAE 41(4), pp. 44-46, April, 1999. 9. Ginsberg, M., “New Direction in Federal Energy Management”, 17th World Energy Engineering Congress, pp. 555-562 10. Moses, M., Thevenet, D., Manning, J.F., “How to Utilize the FM Database for Web-based Reporting of Utility

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2003 GSW

Authors

Brandon D. Pitt; Tristan J. Tayag; Mendy L. Nelson

)sin (− 2ω t t + ω r t − 2φ t + φ r )K}.Two well-chosen frequency components are sufficient for demodulation. These components are SC = K * −2 sin (Φ E )J 0 (2ak )J1 (2bk )sin (ω r t + φr ) and S D = K * −2 sin (Φ E )J 2 (2ak )J1 (2bk )sin (2ωt t + ω r t + 2φt + φr ) . (8)The angular frequencies of the signals SC and SD are ω r and 2ω t + ω r , respectively. By takingthe ratio of the magnitudes of these signals, the terms sin (Φ E ) , J 1 (2bk ) , and K are strategicallyremoved. In this manner, the resultant signal is independent of the equilibrium optical pathlength difference, ΦE, the reference modulation amplitude, b, and the system gain constant, K.The resultant ratio is SC J 0 (2ak

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2003 GSW

Authors

Geoffrey Orsak; Betsy Willis

experiments anddesigns through which students learn to think like engineers. In addition to the printed text,additional chapters on current technologies are available on-line. Textbook Title Chapters The World of Modern Engineering Creating Digital Music Making Digital Images Math You Can See Digitizing the World Improving Bits Communicating with 1’s and 0’s From the Telegraph to the Internet Engineering the FutureThe

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2003 GSW

Authors

Ifte Choudhury; Ricardo E. Rocha; Richard Burt

of Texas A&M University. 2. This study was limited to those faculty members that are active members of the Associated Schools of Construction. 3. This study focused on the technical written communication skills of construction graduates only. Proceedings of the 2003 ASEE Gulf-Southwest Annual Conference The University of Texas at Arlington Copyright © 2003, American Society for Engineering Education Review of the LiteratureOverviewWith the growth of the U.S. college student population in the 1960’s and early 1970’suniversities and community colleges recognized that a high percentage of students hadproblems writing effectively 2

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2003 GSW

Authors

Ray Bachnak; Carl Steidley; Korinne Resendez

),terminal blocks (SCXI 1303 and SCXI 1325), signal conditioning hardware (SCXI1102), and a digital to analog conversion module (SCXI 1124. The PCI-MIO-16E-4 hasthe following specifications: • NI-DAQ driver with Measurement & Automation Explorer for easy configuration for Win 2000/NT/Me/9x and Mac OS • Two 12-bit analog outputs; 8 digital I/O lines; two 24-bit counters • Up to 16 analog inputs; 12-bit resolution; up to 500 kS/s sampling rateThe SCXI 1102C is ideal for higher bandwidth analog signals. Each channel can beconfigured for a gain of 1 or 100 allowing any combination of thermocouples to be used.This module has the following specifications: • 10 kHz low-pass filter on every channel • 32 channels, up to 333 kHz

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2003 GSW

Authors

Richard Bannerot

and design faculty would benefit greatly from a gooddose of creative design as practiced by our colleagues in the Arts. The paper will provideevidence of how two aspects of “creativity” are missing from most engineering students. IntroductionWith some exceptions, engineering design as we know it today is a relatively recentmanifestation of the evolutionary development of the current highly science-basedengineering curriculum. In many ways today’s engineering technology programs mirrorthe pre-1950’s engineering programs and today’s engineering programs appear, in somerespects, to be programs in applied physics. So how did we get to this point?The myth is that the Manhatten Project, one of the most

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2003 GSW

Authors

Ken Van Treuren

, GA. 6. PT6A-20 Technical Manual, Pratt and Whitney. 7. Mattingly, J., 1996, Elements of Gas Turbine Propulsion, McGraw-Hill Book Company, New York 8. http://www.energy.rochester.edu/us/list.htm 9. http://gatorpwr.che.ufl.edu/cogen/KEN VAN TREURENKen Van Treuren is an Associate Professor in the Department of Engineering at Baylor University. He received hisB. S. in Aeronautical Engineering from the USAF Academy and his M. S. in Engineering from PrincetonUniversity. He completed his DPhil in Engineering Sciences at the University of Oxford, UK. At Baylor he teachescourses in laboratory techniques, fluid mechanics, energy systems, propulsion, and freshman engineering.Table 1 Manufacturer’s Data6 ESHP

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2003 GSW

Authors

Ronald E. Barr; Marcus G. Marcus G.; Anthony Petrosino; Lawrence D. Abraham; Tejas Karande; Bijal Patel

. Students in Group A and Group B worked as individuals, and there was noteamwork involved. Testing the VBL ChallengesBefore the two VBL challenges were assigned, Pre-Tests were given to the whole class. ThePre-Tests consisted of questions related to simple biomechanics calculations that could be donewith pencil and paper. A short affect questionnaire on learning factors was also included at theend of each Pre-Test. After the VBL I and II assignment s were completed, the same respectivetests were given again as Post-Tests (some small numerical changes were made to differentiatethe Pre- and Post-test questions) to both groups A and B in class. The Post-Test also includedthe same affect questionnaire again. At the end of